<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="班级" prop="classId">
        <el-input
          v-model="queryParams.classId"
          placeholder="请输入班级"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学生" prop="studentId">
        <el-input
          v-model="queryParams.studentId"
          placeholder="请输入学生"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="跟踪日期" prop="trackTime">
        <el-date-picker clearable
          v-model="queryParams.trackTime"
          type="date"
          value-format="yyyy-MM-dd"
          placeholder="请选择跟踪日期">
        </el-date-picker>
      </el-form-item>
      <el-form-item label="跟踪目的" prop="trackPurpose">
        <el-input
          v-model="queryParams.trackPurpose"
          placeholder="请输入跟踪目的"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="跟踪备注" prop="notes">
        <el-input
          v-model="queryParams.notes"
          placeholder="请输入跟踪备注"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="跟踪人" prop="teacherName">
        <el-input
          v-model="queryParams.teacherName"
          placeholder="请输入跟踪人"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="学生状态" prop="studentState">
        <el-input
          v-model="queryParams.studentState"
          placeholder="请输入学生状态"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="第几次跟踪" prop="trackNumber">
        <el-input
          v-model="queryParams.trackNumber"
          placeholder="请输入第几次跟踪"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['employment:student_track:add']"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['employment:student_track:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['employment:student_track:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['employment:student_track:export']"
        >导出</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="student_trackList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="班级" align="center" prop="classId" />
      <el-table-column label="学生" align="center" prop="studentId" />
      <el-table-column label="跟踪日期" align="center" prop="trackTime" width="180">
        <template slot-scope="scope">
          <span>{{ parseTime(scope.row.trackTime, '{y}-{m}-{d}') }}</span>
        </template>
      </el-table-column>
      <el-table-column label="跟踪目的" align="center" sortable >
        <template slot-scope="scope">
          <span style="color: green" v-if="scope.row.trackPurpose==1">就业问题</span>
          <span style="color: red" v-else>留级建议</span>
        </template>
      </el-table-column>
      <el-table-column label="跟踪备注" align="center" prop="notes" />
      <el-table-column label="跟踪人" align="center" prop="teacherName" />
      <el-table-column label="学生状态" align="center" sortable >
        <template slot-scope="scope">
          <span style="color: green" v-if="scope.row.studentState==1">还未就业</span>
          <span style="color: red" v-else>二次就业</span>
        </template>
      </el-table-column>
      <el-table-column label="第几次跟踪" align="center" prop="trackNumber" />
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['employment:student_track:edit']"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['employment:student_track:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>

    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改学生跟踪对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="500px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="80px">
        <el-form-item label="选择班级" prop="classId">
          <el-select v-model="form.classId" filterable placeholder="请选择班级">
            <el-option
              v-for="item in calsses"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="选择学生" prop="studentId">
          <el-select v-model="form.studentId" filterable placeholder="请选择学生">
            <el-option
              v-for="item in students"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="跟踪日期" prop="trackTime">
          <el-date-picker clearable
            v-model="form.trackTime"
            type="date"
            value-format="yyyy-MM-dd"
            placeholder="请选择跟踪日期">
          </el-date-picker>
        </el-form-item>
        <el-form-item label="跟踪目的" prop="trackPurpose">
          <el-select v-model="form.trackPurpose" filterable placeholder="请选择跟踪目的">
            <el-option
              v-for="item in trackPurposes"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="学生状态" prop="studentState">
          <el-select v-model="form.studentState" filterable placeholder="请选择学生状态">
            <el-option
              v-for="item in studentStates"
              :key="item.value"
              :label="item.label"
              :value="item.value">
            </el-option>
          </el-select>
        </el-form-item>
        <el-form-item label="第几次跟踪" prop="trackNumber">
          <el-input v-model="form.trackNumber" placeholder="" />
        </el-form-item>
        <el-form-item label="跟踪备注" prop="notes">
          <el-input type="textarea" v-model="form.notes" placeholder="请输入跟踪备注" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listStudent_track, getStudent_track, delStudent_track, addStudent_track, updateStudent_track } from "@/api/employment/student_track";

export default {
  name: "Student_track",
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 学生跟踪表格数据
      student_trackList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        classId: null,
        studentId: null,
        trackTime: null,
        trackPurpose: null,
        notes: null,
        teacherName: null,
        studentState: null,
        trackNumber: null
      },
      trackPurposes: [{
        value: '1',
        label: '就业问题'
      }, {
        value: '2',
        label: '留级建议'
      }],

      studentStates: [{
        value: '1',
        label: '还未就业'
      }, {
        value: '2',
        label: '二次就业'
      }],
      // 表单参数
      form: {},
      // 表单校验
      rules: {
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询学生跟踪列表 */
    getList() {
      this.loading = true;
      listStudent_track(this.queryParams).then(response => {
        this.student_trackList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        id: null,
        classId: null,
        studentId: null,
        trackTime: null,
        trackPurpose: null,
        notes: null,
        teacherName: null,
        studentState: null,
        trackNumber: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length!==1
      this.multiple = !selection.length
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加学生跟踪";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const id = row.id || this.ids
      getStudent_track(id).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改学生跟踪";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.id != null) {
            updateStudent_track(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addStudent_track(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const ids = row.id || this.ids;
      this.$modal.confirm('是否确认删除学生跟踪编号为"' + ids + '"的数据项？').then(function() {
        return delStudent_track(ids);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.download('employment/student_track/export', {
        ...this.queryParams
      }, `student_track_${new Date().getTime()}.xlsx`)
    }
  }
};
</script>
